LocationActivity.java

package com.godoro.androiddevices;

import android.Manifest;
import android.app.Activity;
import android.content.pm.PackageManager;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.util.*;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
import android.widget.Toast;


public class LocationActivity extends Activity implements LocationListener {

    private LocationManager locationManager;
    private String locationProvider;
    private TextView latitudeView;
    private TextView longitudeView;
    private TextView altitudeView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_location);

        latitudeView = (TextView) findViewById(R.id.latitudeView);
        longitudeView = (TextView) findViewById(R.id.longitudeView);
        altitudeView = (TextView) findViewById(R.id.altitudeView);

        try {


            locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);

            // Arama
            Criteria criteria = new Criteria();
            locationProvider = locationManager.getBestProvider(criteria, false);
            // Sadece Ağ
            //locationProvider = LocationManager.NETWORK_PROVIDER;

            if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                return;
            }
            Location location = locationManager.getLastKnownLocation(locationProvider);
            showLocation(location);
        } catch (Exception e) {
            Log.e("GodoroAndroid", "Konum etkinliği yanlışlığı", e);
        }

    }

    private void showLocation(Location location) {
        if(location==null){
            return;
        }
        latitudeView.setText(Double.toString(location.getLatitude()));
        longitudeView.setText(Double.toString(location.getLongitude()));
        altitudeView.setText(Double.toString(location.getAltitude()));
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            return;
        }
        locationManager.requestLocationUpdates(locationProvider, 400, 1, this);
    }

    @Override
    protected void onPause() {
        super.onPause();
        locationManager.removeUpdates(this);
    }

    @Override
    public void onLocationChanged(Location location) {
        String message="Konum değişti";
        Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
        showLocation(location);
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
    }

    @Override
    public void onProviderEnabled(String provider) {
    }

    @Override
    public void onProviderDisabled(String provider) {
    }
}